Swift and Rust Static Linked ELF

rust.out

#####
# on a machine with Rust installed
#####

$ ldd ./target/debug/hello
	linux-vdso.so.1 (0x00007ffefb7f4000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f9e6e25b000)
	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f9e6e053000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f9e6de36000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f9e6dc1f000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f9e6d880000)
	/lib64/ld-linux-x86-64.so.2 (0x000055749a57a000)

#####
# on a machine that does not have rust installed
#####

$ ./hello_rs
Hello, world!

swift.out

#####
# on a machine with Swift 4.1-dev installed
#####

$ swift build
Compile Swift Module 'hello' (1 sources)
Linking ./.build/x86_64-unknown-linux/debug/hello
$ ldd .build/x86_64-unknown-linux/debug/hello
	linux-vdso.so.1 =>  (0x00007ffe3036b000)
	libswiftCore.so => /usr/lib/swift/linux/libswiftCore.so (0x00007f0b077b5000)
	libswiftSwiftOnoneSupport.so => /usr/lib/swift/linux/libswiftSwiftOnoneSupport.so (0x00007f0b07764000)
	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f0b073dd000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f0b070d4000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f0b06ebe000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f0b06af3000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f0b068d6000)
	libatomic.so.1 => /usr/lib/x86_64-linux-gnu/libatomic.so.1 (0x00007f0b066ce000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f0b064c9000)
	libicuuc.so.55 => /usr/lib/x86_64-linux-gnu/libicuuc.so.55 (0x00007f0b06135000)
	libicui18n.so.55 => /usr/lib/x86_64-linux-gnu/libicui18n.so.55 (0x00007f0b05cd3000)
	/lib64/ld-linux-x86-64.so.2 (0x00005557ec1c8000)
	libicudata.so.55 => /usr/lib/x86_64-linux-gnu/libicudata.so.55 (0x00007f0b0421b000)
$ swift build --static-swift-stdlib
$ ldd .build/x86_64-unknown-linux/debug/hello
	linux-vdso.so.1 =>  (0x00007fffe8fbf000)
	libswiftCore.so => /usr/lib/swift/linux/libswiftCore.so (0x00007f8dd8133000)
	libswiftSwiftOnoneSupport.so => /usr/lib/swift/linux/libswiftSwiftOnoneSupport.so (0x00007f8dd80e2000)
	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f8dd7d5b000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f8dd7a52000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f8dd783c000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f8dd7471000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f8dd7254000)
	libatomic.so.1 => /usr/lib/x86_64-linux-gnu/libatomic.so.1 (0x00007f8dd704c000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f8dd6e47000)
	libicuuc.so.55 => /usr/lib/x86_64-linux-gnu/libicuuc.so.55 (0x00007f8dd6ab3000)
	libicui18n.so.55 => /usr/lib/x86_64-linux-gnu/libicui18n.so.55 (0x00007f8dd6651000)
	/lib64/ld-linux-x86-64.so.2 (0x000055f98eadd000)
	libicudata.so.55 => /usr/lib/x86_64-linux-gnu/libicudata.so.55 (0x00007f8dd4b99000)

#####
# on a machine that does not have swift toolchain installed
#####

$ ./hello
./hello: error while loading shared libraries: libswiftCore.so: cannot open shared object file: No such file or directory

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# on a machine with Swift 4.0.3 release installed
#####

$ ./hello_swift_static
./hello_swift_static: symbol lookup error: ./hello_swift_static: undefined symbol: _T0s27_allocateUninitializedArrayySayxG_BptBwlFyp_Tg5